Airtac Adjustable Cylinder SAIJ32 SAIJ32BX80-75
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32BX80-75 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø32mm bore and 80mm stroke, G1/8 air ports and adjustable end cushioning. Its standardized mounting interface makes it a drop-in replacement for other ISO 15552 cylinders in automation lines.
- BoreØ32 mm
- Stroke80 mm
- Port sizeG1/8
- Acting typeDouble acting
- Rod threadM10×1.25
- CushionAdjustable, 27 mm
About the Airtac Adjustable Cylinder SAIJ32 SAIJ32BX80-75
The AirTAC SAIJ32X80-75 is a double-acting, single-rod ISO 15552 profile cylinder equipped with a rear stroke adjuster. It provides a nominal 80 mm stroke that can be dialed back by up to 75 mm, yielding a highly versatile 5 to 80 mm usable travel window for precise end-position tuning at commissioning. In the 32 mm bore class, it delivers 402 N of push force and 345 N of pull force at 0.5 MPa.
This configuration features a SUS304 stainless steel rod for superior corrosion resistance and uses PT tapered port threads with a G1/8 connection. The rear adjuster acts strictly as a mechanical stop to set the travel end and deceleration alongside the standard air cushions; it does not hold the load without live air pressure. For position holding, an external rod lock or SAIL cylinder is required.
Airtac Adjustable Cylinder SAIJ32 SAIJ32BX80-75 Technical Specifications
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32BX80-75 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø32 mm |
| Stroke | 80 mm |
| Acting type | Double acting |
| Port size | G1/8 |
| Rod thread | M10×1.25 |
| Fluid | Air (filtered by 40µm element) |
|---|---|
| Operating pressure | 0.15 – 1.0 MPa |
| Proof pressure | 1.5 MPa |
| Temperature | -20 to +70 °C |
| Speed range | 30 – 800 mm/s |
| Cushion | Adjustable, 27 mm |
| Max stroke | Up to 1000 mm |
Specifications follow the official AirTAC SAI series datasheet and ISO 15552 dimensions. Confirm against the product label before installation. Port options: G (BSPP) / NPT.
Theoretical Output Force (Ø32mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 402 N | 346 N |
| 0.7 MPa | 563 N | — |
| Max (@1.0 MPa) | 82 kgf | |
Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
Model Code: Airtac Adjustable Cylinder SAIJ32 SAIJ32BX80-75
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 32 | Bore size in mm. |
| ×80 | Stroke length in mm. |
| -S | Optional built-in magnet for sensor position sensing. |
Related SAI-family variants: SAID (double rod), SAIJ (adjustable stroke), SAIL (with lock), SAIF (with valve), BSAI (enclasp / clamp-lock), and SAI-S with built-in magnet. Rod material: carbon steel (blank) / SUS420J2 (A) / SUS304 (B); seals: TPU (blank) / Viton H / NBR N.
Where the Airtac Adjustable Cylinder SAIJ32 SAIJ32BX80-75 Is Used
Product Changeover
Dial in the exact retract distance from 5 to 80 mm during format size changes on packaging lines without replacing the actuator.
End-Stop Tuning
Fine-tune the final resting position during machine commissioning using the rear screw, avoiding the need to machine external spacers.
Variable Positioning
Adjust the stroke dynamically for testing different gripping depths or sensor trigger points in compact assembly fixtures.
Is the Airtac Adjustable Cylinder SAIJ32 SAIJ32BX80-75 the Right Cylinder?
Choose this 32 mm bore when an application demands exact retract positioning within a 5 to 80 mm window, allowing product changeovers without swapping cylinders or adding external stops. If your setup requires greater thrust, stepping up to the 40 mm bore provides 628 N of push force at 0.5 MPa, but for compact assemblies needing fine-tuning, this adjustable model is ideal. Because the stroke is under 300 mm, side-load stress on the 12 mm rod is manageable, though external guides are still recommended for optimal cylinder longevity.
When specifying a replacement, ensure you match the 32 mm bore, 80 mm nominal stroke, 75 mm adjustment range, PT G1/8 port, and the absence of a magnet (non-S). The SAIJ mounting set includes Basic, FA, LB, TC, FTC, TCM1, and TCM2 options, omitting FB, CA, CB, and CR configurations.
Quick checklist
- ✓ Required force at your working pressure
- ✓ Stroke and mounting space
- ✓ Port/thread type (PT/NPT/G)
- ✓ Magnet (-S) for sensors?
- ✓ Side load — consider a guided cylinder
Installation & Maintenance Notes
- check Use clean air filtered to 40µm or finer.
- check Keep within 0.15 – 1.0 MPa operating pressure.
- check Avoid side load on the piston rod.
- check Adjust end cushion screws for smooth stops.
- check Use correct mounting accessory (FA/FB/CA/CB/LB/TC).
- check Installation by qualified personnel per AirTAC docs.
Airtac Adjustable Cylinder SAIJ32 SAIJ32BX80-75 FAQ
At 0.5 MPa operating pressure, this 32 mm bore cylinder provides 402 N of push force and 345 N of pull force. It can reach a maximum push force of 724 N at 0.9 MPa.
The rear adjuster screw allows you to shorten the effective travel from the 80 mm nominal stroke by up to 75 mm. This creates a usable stroke window of 5 to 80 mm, acting as a mechanical stop rather than a load-holding lock.
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